20121247952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2377}}^1\times {\mathrm{40697}}^1$

素因数の和:43095

約数の個数: 40

約数和(自身を含む): 42002452296

約数和(自身を除く): 21881204344

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2377, 4754, 9508, 19016, 30901, 38032, 40697, 61802, 81394, 123604, 162788, 247208, 325576, 494416, 529061, 651152, 1058122, 2116244, 4232488, 8464976, 96736769, 193473538, 386947076, 773894152, 1257577997, 1547788304, 2515155994, 5030311988, 10060623976, 20121247952]

約数ペア:

[(1, 20121247952), (2, 10060623976), (4, 5030311988), (8, 2515155994), (13, 1547788304), (16, 1257577997), (26, 773894152), (52, 386947076), (104, 193473538), (208, 96736769), (2377, 8464976), (4754, 4232488), (9508, 2116244), (19016, 1058122), (30901, 651152), (38032, 529061), (40697, 494416), (61802, 325576), (81394, 247208), (123604, 162788)]