20165521484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{9769}}^1$

素因数の和:10122

約数の個数: 48

約数和(自身を含む): 37603557600

約数和(自身を除く): 17438036116

約数列:

[1, 2, 4, 19, 38, 76, 157, 173, 314, 346, 628, 692, 2983, 3287, 5966, 6574, 9769, 11932, 13148, 19538, 27161, 39076, 54322, 108644, 185611, 371222, 516059, 742444, 1032118, 1533733, 1690037, 2064236, 3067466, 3380074, 6134932, 6760148, 29140927, 32110703, 58281854, 64221406, 116563708, 128442812, 265335809, 530671618, 1061343236, 5041380371, 10082760742, 20165521484]

約数ペア:

[(1, 20165521484), (2, 10082760742), (4, 5041380371), (19, 1061343236), (38, 530671618), (76, 265335809), (157, 128442812), (173, 116563708), (314, 64221406), (346, 58281854), (628, 32110703), (692, 29140927), (2983, 6760148), (3287, 6134932), (5966, 3380074), (6574, 3067466), (9769, 2064236), (11932, 1690037), (13148, 1533733), (19538, 1032118), (27161, 742444), (39076, 516059), (54322, 371222), (108644, 185611)]