20124464

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{307}}^1$

素因数の和:573

約数の個数: 40

約数和(自身を含む): 41591088

約数和(自身を除く): 21466624

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 241, 272, 307, 482, 614, 964, 1228, 1928, 2456, 3856, 4097, 4912, 5219, 8194, 10438, 16388, 20876, 32776, 41752, 65552, 73987, 83504, 147974, 295948, 591896, 1183792, 1257779, 2515558, 5031116, 10062232, 20124464]

約数ペア:

[(1, 20124464), (2, 10062232), (4, 5031116), (8, 2515558), (16, 1257779), (17, 1183792), (34, 591896), (68, 295948), (136, 147974), (241, 83504), (272, 73987), (307, 65552), (482, 41752), (614, 32776), (964, 20876), (1228, 16388), (1928, 10438), (2456, 8194), (3856, 5219), (4097, 4912)]