20120851952

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{57107}}^1$

素因数の和:57214

約数の個数: 60

約数和(自身を含む): 41819160456

約数和(自身を除く): 21698308504

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 361, 488, 722, 976, 1159, 1444, 2318, 2888, 4636, 5776, 9272, 18544, 22021, 44042, 57107, 88084, 114214, 176168, 228428, 352336, 456856, 913712, 1085033, 2170066, 3483527, 4340132, 6967054, 8680264, 13934108, 17360528, 20615627, 27868216, 41231254, 55736432, 66187013, 82462508, 132374026, 164925016, 264748052, 329850032, 529496104, 1058992208, 1257553247, 2515106494, 5030212988, 10060425976, 20120851952]

約数ペア:

[(1, 20120851952), (2, 10060425976), (4, 5030212988), (8, 2515106494), (16, 1257553247), (19, 1058992208), (38, 529496104), (61, 329850032), (76, 264748052), (122, 164925016), (152, 132374026), (244, 82462508), (304, 66187013), (361, 55736432), (488, 41231254), (722, 27868216), (976, 20615627), (1159, 17360528), (1444, 13934108), (2318, 8680264), (2888, 6967054), (4636, 4340132), (5776, 3483527), (9272, 2170066), (18544, 1085033), (22021, 913712), (44042, 456856), (57107, 352336), (88084, 228428), (114214, 176168)]