20199803120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{57899}}^1$

素因数の和:58015

約数の個数: 120

約数和(自身を含む): 55247022000

約数和(自身を除く): 35047218880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 89, 98, 112, 140, 178, 196, 245, 280, 356, 392, 445, 490, 560, 623, 712, 784, 890, 980, 1246, 1424, 1780, 1960, 2492, 3115, 3560, 3920, 4361, 4984, 6230, 7120, 8722, 9968, 12460, 17444, 21805, 24920, 34888, 43610, 49840, 57899, 69776, 87220, 115798, 174440, 231596, 289495, 348880, 405293, 463192, 578990, 810586, 926384, 1157980, 1621172, 2026465, 2315960, 2837051, 3242344, 4052930, 4631920, 5153011, 5674102, 6484688, 8105860, 10306022, 11348204, 14185255, 16211720, 20612044, 22696408, 25765055, 28370510, 32423440, 36071077, 41224088, 45392816, 51530110, 56741020, 72142154, 82448176, 103060220, 113482040, 144284308, 180355385, 206120440, 226964080, 252497539, 288568616, 360710770, 412240880, 504995078, 577137232, 721421540, 1009990156, 1262487695, 1442843080, 2019980312, 2524975390, 2885686160, 4039960624, 5049950780, 10099901560, 20199803120]

約数ペア:

[(1, 20199803120), (2, 10099901560), (4, 5049950780), (5, 4039960624), (7, 2885686160), (8, 2524975390), (10, 2019980312), (14, 1442843080), (16, 1262487695), (20, 1009990156), (28, 721421540), (35, 577137232), (40, 504995078), (49, 412240880), (56, 360710770), (70, 288568616), (80, 252497539), (89, 226964080), (98, 206120440), (112, 180355385), (140, 144284308), (178, 113482040), (196, 103060220), (245, 82448176), (280, 72142154), (356, 56741020), (392, 51530110), (445, 45392816), (490, 41224088), (560, 36071077), (623, 32423440), (712, 28370510), (784, 25765055), (890, 22696408), (980, 20612044), (1246, 16211720), (1424, 14185255), (1780, 11348204), (1960, 10306022), (2492, 8105860), (3115, 6484688), (3560, 5674102), (3920, 5153011), (4361, 4631920), (4984, 4052930), (6230, 3242344), (7120, 2837051), (8722, 2315960), (9968, 2026465), (12460, 1621172), (17444, 1157980), (21805, 926384), (24920, 810586), (34888, 578990), (43610, 463192), (49840, 405293), (57899, 348880), (69776, 289495), (87220, 231596), (115798, 174440)]