20817464

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{907}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 41404800

約数和(自身を除く): 20587336

約数列:

[1, 2, 4, 8, 19, 38, 76, 151, 152, 302, 604, 907, 1208, 1814, 2869, 3628, 5738, 7256, 11476, 17233, 22952, 34466, 68932, 136957, 137864, 273914, 547828, 1095656, 2602183, 5204366, 10408732, 20817464]

約数ペア:

[(1, 20817464), (2, 10408732), (4, 5204366), (8, 2602183), (19, 1095656), (38, 547828), (76, 273914), (151, 137864), (152, 136957), (302, 68932), (604, 34466), (907, 22952), (1208, 17233), (1814, 11476), (2869, 7256), (3628, 5738)]