20310108

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2657}}^1$

素因数の和:2691

約数の個数: 72

約数和(自身を含む): 59390352

約数和(自身を除く): 39080244

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 2657, 3822, 5314, 7644, 7971, 10628, 15942, 18599, 31884, 34541, 37198, 55797, 69082, 74396, 103623, 111594, 130193, 138164, 207246, 223188, 241787, 260386, 390579, 414492, 483574, 520772, 725361, 781158, 967148, 1450722, 1562316, 1692509, 2901444, 3385018, 5077527, 6770036, 10155054, 20310108]

約数ペア:

[(1, 20310108), (2, 10155054), (3, 6770036), (4, 5077527), (6, 3385018), (7, 2901444), (12, 1692509), (13, 1562316), (14, 1450722), (21, 967148), (26, 781158), (28, 725361), (39, 520772), (42, 483574), (49, 414492), (52, 390579), (78, 260386), (84, 241787), (91, 223188), (98, 207246), (147, 138164), (156, 130193), (182, 111594), (196, 103623), (273, 74396), (294, 69082), (364, 55797), (546, 37198), (588, 34541), (637, 31884), (1092, 18599), (1274, 15942), (1911, 10628), (2548, 7971), (2657, 7644), (3822, 5314)]