20036640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1$

素因数の和:76

約数の個数: 192

約数和(自身を含む): 71971200

約数和(自身を除く): 51934560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 96, 104, 114, 120, 130, 152, 156, 160, 169, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 338, 380, 390, 416, 456, 480, 494, 507, 520, 570, 608, 624, 676, 741, 760, 780, 845, 912, 988, 1014, 1040, 1140, 1235, 1248, 1352, 1482, 1520, 1560, 1690, 1824, 1976, 2028, 2080, 2197, 2280, 2470, 2535, 2704, 2964, 3040, 3120, 3211, 3380, 3705, 3952, 4056, 4394, 4560, 4940, 5070, 5408, 5928, 6240, 6422, 6591, 6760, 7410, 7904, 8112, 8788, 9120, 9633, 9880, 10140, 10985, 11856, 12844, 13182, 13520, 14820, 16055, 16224, 17576, 19266, 19760, 20280, 21970, 23712, 25688, 26364, 27040, 29640, 32110, 32955, 35152, 38532, 39520, 40560, 41743, 43940, 48165, 51376, 52728, 59280, 64220, 65910, 70304, 77064, 81120, 83486, 87880, 96330, 102752, 105456, 118560, 125229, 128440, 131820, 154128, 166972, 175760, 192660, 208715, 210912, 250458, 256880, 263640, 308256, 333944, 351520, 385320, 417430, 500916, 513760, 527280, 626145, 667888, 770640, 834860, 1001832, 1054560, 1252290, 1335776, 1541280, 1669720, 2003664, 2504580, 3339440, 4007328, 5009160, 6678880, 10018320, 20036640]

約数ペア:

[(1, 20036640), (2, 10018320), (3, 6678880), (4, 5009160), (5, 4007328), (6, 3339440), (8, 2504580), (10, 2003664), (12, 1669720), (13, 1541280), (15, 1335776), (16, 1252290), (19, 1054560), (20, 1001832), (24, 834860), (26, 770640), (30, 667888), (32, 626145), (38, 527280), (39, 513760), (40, 500916), (48, 417430), (52, 385320), (57, 351520), (60, 333944), (65, 308256), (76, 263640), (78, 256880), (80, 250458), (95, 210912), (96, 208715), (104, 192660), (114, 175760), (120, 166972), (130, 154128), (152, 131820), (156, 128440), (160, 125229), (169, 118560), (190, 105456), (195, 102752), (208, 96330), (228, 87880), (240, 83486), (247, 81120), (260, 77064), (285, 70304), (304, 65910), (312, 64220), (338, 59280), (380, 52728), (390, 51376), (416, 48165), (456, 43940), (480, 41743), (494, 40560), (507, 39520), (520, 38532), (570, 35152), (608, 32955), (624, 32110), (676, 29640), (741, 27040), (760, 26364), (780, 25688), (845, 23712), (912, 21970), (988, 20280), (1014, 19760), (1040, 19266), (1140, 17576), (1235, 16224), (1248, 16055), (1352, 14820), (1482, 13520), (1520, 13182), (1560, 12844), (1690, 11856), (1824, 10985), (1976, 10140), (2028, 9880), (2080, 9633), (2197, 9120), (2280, 8788), (2470, 8112), (2535, 7904), (2704, 7410), (2964, 6760), (3040, 6591), (3120, 6422), (3211, 6240), (3380, 5928), (3705, 5408), (3952, 5070), (4056, 4940), (4394, 4560)]