20122513910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{523}}^1\times {\mathrm{733}}^1$

素因数の和:1473

約数の個数: 64

約数和(自身を含む): 37800060480

約数和(自身を除く): 17677546570

約数列:

[1, 2, 5, 10, 29, 58, 145, 181, 290, 362, 523, 733, 905, 1046, 1466, 1810, 2615, 3665, 5230, 5249, 7330, 10498, 15167, 21257, 26245, 30334, 42514, 52490, 75835, 94663, 106285, 132673, 151670, 189326, 212570, 265346, 383359, 473315, 663365, 766718, 946630, 1326730, 1916795, 2745227, 3833590, 3847517, 5490454, 7695034, 11117411, 13726135, 19237585, 22234822, 27452270, 38475170, 55587055, 69387979, 111174110, 138775958, 346939895, 693879790, 2012251391, 4024502782, 10061256955, 20122513910]

約数ペア:

[(1, 20122513910), (2, 10061256955), (5, 4024502782), (10, 2012251391), (29, 693879790), (58, 346939895), (145, 138775958), (181, 111174110), (290, 69387979), (362, 55587055), (523, 38475170), (733, 27452270), (905, 22234822), (1046, 19237585), (1466, 13726135), (1810, 11117411), (2615, 7695034), (3665, 5490454), (5230, 3847517), (5249, 3833590), (7330, 2745227), (10498, 1916795), (15167, 1326730), (21257, 946630), (26245, 766718), (30334, 663365), (42514, 473315), (52490, 383359), (75835, 265346), (94663, 212570), (106285, 189326), (132673, 151670)]