20108938240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{231031}}^1$

素因数の和:231073

約数の個数: 88

約数和(自身を含む): 51075630432

約数和(自身を除く): 30966692192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1024, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 5120, 5440, 8704, 10880, 17408, 21760, 43520, 87040, 231031, 462062, 924124, 1155155, 1848248, 2310310, 3696496, 3927527, 4620620, 7392992, 7855054, 9241240, 14785984, 15710108, 18482480, 19637635, 29571968, 31420216, 36964960, 39275270, 59143936, 62840432, 73929920, 78550540, 118287872, 125680864, 147859840, 157101080, 236575744, 251361728, 295719680, 314202160, 502723456, 591439360, 628404320, 1005446912, 1182878720, 1256808640, 2010893824, 2513617280, 4021787648, 5027234560, 10054469120, 20108938240]

約数ペア:

[(1, 20108938240), (2, 10054469120), (4, 5027234560), (5, 4021787648), (8, 2513617280), (10, 2010893824), (16, 1256808640), (17, 1182878720), (20, 1005446912), (32, 628404320), (34, 591439360), (40, 502723456), (64, 314202160), (68, 295719680), (80, 251361728), (85, 236575744), (128, 157101080), (136, 147859840), (160, 125680864), (170, 118287872), (256, 78550540), (272, 73929920), (320, 62840432), (340, 59143936), (512, 39275270), (544, 36964960), (640, 31420216), (680, 29571968), (1024, 19637635), (1088, 18482480), (1280, 15710108), (1360, 14785984), (2176, 9241240), (2560, 7855054), (2720, 7392992), (4352, 4620620), (5120, 3927527), (5440, 3696496), (8704, 2310310), (10880, 1848248), (17408, 1155155), (21760, 924124), (43520, 462062), (87040, 231031)]