20057280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1229}}^1$

素因数の和:1266

約数の個数: 112

約数和(自身を含む): 67482720

約数和(自身を除く): 47425440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1229, 1360, 1632, 2040, 2458, 2720, 3264, 3687, 4080, 4916, 5440, 6145, 7374, 8160, 9832, 12290, 14748, 16320, 18435, 19664, 20893, 24580, 29496, 36870, 39328, 41786, 49160, 58992, 62679, 73740, 78656, 83572, 98320, 104465, 117984, 125358, 147480, 167144, 196640, 208930, 235968, 250716, 294960, 313395, 334288, 393280, 417860, 501432, 589920, 626790, 668576, 835720, 1002864, 1179840, 1253580, 1337152, 1671440, 2005728, 2507160, 3342880, 4011456, 5014320, 6685760, 10028640, 20057280]

約数ペア:

[(1, 20057280), (2, 10028640), (3, 6685760), (4, 5014320), (5, 4011456), (6, 3342880), (8, 2507160), (10, 2005728), (12, 1671440), (15, 1337152), (16, 1253580), (17, 1179840), (20, 1002864), (24, 835720), (30, 668576), (32, 626790), (34, 589920), (40, 501432), (48, 417860), (51, 393280), (60, 334288), (64, 313395), (68, 294960), (80, 250716), (85, 235968), (96, 208930), (102, 196640), (120, 167144), (136, 147480), (160, 125358), (170, 117984), (192, 104465), (204, 98320), (240, 83572), (255, 78656), (272, 73740), (320, 62679), (340, 58992), (408, 49160), (480, 41786), (510, 39328), (544, 36870), (680, 29496), (816, 24580), (960, 20893), (1020, 19664), (1088, 18435), (1229, 16320), (1360, 14748), (1632, 12290), (2040, 9832), (2458, 8160), (2720, 7374), (3264, 6145), (3687, 5440), (4080, 4916)]