20010698090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1\times {\mathrm{1709}}^1$

素因数の和:2207

約数の個数: 64

約数和(自身を含む): 37656990720

約数和(自身を除く): 17646292630

約数列:

[1, 2, 5, 10, 31, 62, 107, 155, 214, 310, 353, 535, 706, 1070, 1709, 1765, 3317, 3418, 3530, 6634, 8545, 10943, 16585, 17090, 21886, 33170, 37771, 52979, 54715, 75542, 105958, 109430, 182863, 188855, 264895, 365726, 377710, 529790, 603277, 914315, 1170901, 1206554, 1828630, 2341802, 3016385, 5668753, 5854505, 6032770, 11337506, 11709010, 18701587, 28343765, 37403174, 56687530, 64550639, 93507935, 129101278, 187015870, 322753195, 645506390, 2001069809, 4002139618, 10005349045, 20010698090]

約数ペア:

[(1, 20010698090), (2, 10005349045), (5, 4002139618), (10, 2001069809), (31, 645506390), (62, 322753195), (107, 187015870), (155, 129101278), (214, 93507935), (310, 64550639), (353, 56687530), (535, 37403174), (706, 28343765), (1070, 18701587), (1709, 11709010), (1765, 11337506), (3317, 6032770), (3418, 5854505), (3530, 5668753), (6634, 3016385), (8545, 2341802), (10943, 1828630), (16585, 1206554), (17090, 1170901), (21886, 914315), (33170, 603277), (37771, 529790), (52979, 377710), (54715, 365726), (75542, 264895), (105958, 188855), (109430, 182863)]