20610560

素因数分解:

$2^9\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 80

約数和(自身を含む): 50528016

約数和(自身を除く): 29917456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 97, 128, 160, 166, 194, 256, 320, 332, 388, 415, 485, 512, 640, 664, 776, 830, 970, 1280, 1328, 1552, 1660, 1940, 2560, 2656, 3104, 3320, 3880, 5312, 6208, 6640, 7760, 8051, 10624, 12416, 13280, 15520, 16102, 21248, 24832, 26560, 31040, 32204, 40255, 42496, 49664, 53120, 62080, 64408, 80510, 106240, 124160, 128816, 161020, 212480, 248320, 257632, 322040, 515264, 644080, 1030528, 1288160, 2061056, 2576320, 4122112, 5152640, 10305280, 20610560]

約数ペア:

[(1, 20610560), (2, 10305280), (4, 5152640), (5, 4122112), (8, 2576320), (10, 2061056), (16, 1288160), (20, 1030528), (32, 644080), (40, 515264), (64, 322040), (80, 257632), (83, 248320), (97, 212480), (128, 161020), (160, 128816), (166, 124160), (194, 106240), (256, 80510), (320, 64408), (332, 62080), (388, 53120), (415, 49664), (485, 42496), (512, 40255), (640, 32204), (664, 31040), (776, 26560), (830, 24832), (970, 21248), (1280, 16102), (1328, 15520), (1552, 13280), (1660, 12416), (1940, 10624), (2560, 8051), (2656, 7760), (3104, 6640), (3320, 6208), (3880, 5312)]