20123717716

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1\times {\mathrm{991}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 35997696000

約数和(自身を除く): 15873978284

約数列:

[1, 2, 4, 79, 158, 179, 316, 358, 359, 716, 718, 991, 1436, 1982, 3964, 14141, 28282, 28361, 56564, 56722, 64261, 78289, 113444, 128522, 156578, 177389, 257044, 313156, 354778, 355769, 709556, 711538, 1423076, 5076619, 10153238, 14013731, 20306476, 28027462, 28105751, 56054924, 56211502, 63682651, 112423004, 127365302, 254730604, 5030929429, 10061858858, 20123717716]

約数ペア:

[(1, 20123717716), (2, 10061858858), (4, 5030929429), (79, 254730604), (158, 127365302), (179, 112423004), (316, 63682651), (358, 56211502), (359, 56054924), (716, 28105751), (718, 28027462), (991, 20306476), (1436, 14013731), (1982, 10153238), (3964, 5076619), (14141, 1423076), (28282, 711538), (28361, 709556), (56564, 355769), (56722, 354778), (64261, 313156), (78289, 257044), (113444, 177389), (128522, 156578)]