20818822080

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{442577}}^1$

素因数の和:442611

約数の個数: 168

約数和(自身を含む): 76891731408

約数和(自身を除く): 56072909328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4704, 5880, 6720, 7840, 9408, 11760, 15680, 23520, 47040, 442577, 885154, 1327731, 1770308, 2212885, 2655462, 3098039, 3540616, 4425770, 5310924, 6196078, 6638655, 7081232, 8851540, 9294117, 10621848, 12392156, 13277310, 14162464, 15490195, 17703080, 18588234, 21243696, 21686273, 24784312, 26554620, 28324928, 30980390, 35406160, 37176468, 42487392, 43372546, 46470585, 49568624, 53109240, 61960780, 65058819, 70812320, 74352936, 84974784, 86745092, 92941170, 99137248, 106218480, 108431365, 123921560, 130117638, 141624640, 148705872, 173490184, 185882340, 198274496, 212436960, 216862730, 247843120, 260235276, 297411744, 325294095, 346980368, 371764680, 424873920, 433725460, 495686240, 520470552, 594823488, 650588190, 693960736, 743529360, 867450920, 991372480, 1040941104, 1301176380, 1387921472, 1487058720, 1734901840, 2081882208, 2602352760, 2974117440, 3469803680, 4163764416, 5204705520, 6939607360, 10409411040, 20818822080]

約数ペア:

[(1, 20818822080), (2, 10409411040), (3, 6939607360), (4, 5204705520), (5, 4163764416), (6, 3469803680), (7, 2974117440), (8, 2602352760), (10, 2081882208), (12, 1734901840), (14, 1487058720), (15, 1387921472), (16, 1301176380), (20, 1040941104), (21, 991372480), (24, 867450920), (28, 743529360), (30, 693960736), (32, 650588190), (35, 594823488), (40, 520470552), (42, 495686240), (48, 433725460), (49, 424873920), (56, 371764680), (60, 346980368), (64, 325294095), (70, 297411744), (80, 260235276), (84, 247843120), (96, 216862730), (98, 212436960), (105, 198274496), (112, 185882340), (120, 173490184), (140, 148705872), (147, 141624640), (160, 130117638), (168, 123921560), (192, 108431365), (196, 106218480), (210, 99137248), (224, 92941170), (240, 86745092), (245, 84974784), (280, 74352936), (294, 70812320), (320, 65058819), (336, 61960780), (392, 53109240), (420, 49568624), (448, 46470585), (480, 43372546), (490, 42487392), (560, 37176468), (588, 35406160), (672, 30980390), (735, 28324928), (784, 26554620), (840, 24784312), (960, 21686273), (980, 21243696), (1120, 18588234), (1176, 17703080), (1344, 15490195), (1470, 14162464), (1568, 13277310), (1680, 12392156), (1960, 10621848), (2240, 9294117), (2352, 8851540), (2940, 7081232), (3136, 6638655), (3360, 6196078), (3920, 5310924), (4704, 4425770), (5880, 3540616), (6720, 3098039), (7840, 2655462), (9408, 2212885), (11760, 1770308), (15680, 1327731), (23520, 885154), (47040, 442577)]