20616719488

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{797}}^1\times {\mathrm{3313}}^1$

素因数の和:4185

約数の個数: 64

約数和(自身を含む): 41810683320

約数和(自身を除く): 21193963832

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 797, 976, 1594, 1952, 3188, 3313, 3904, 6376, 6626, 7808, 12752, 13252, 25504, 26504, 48617, 51008, 53008, 97234, 102016, 106016, 194468, 202093, 212032, 388936, 404186, 424064, 777872, 808372, 1555744, 1616744, 2640461, 3111488, 3233488, 5280922, 6222976, 6466976, 10561844, 12933952, 21123688, 25867904, 42247376, 84494752, 161068121, 168989504, 322136242, 337979008, 644272484, 1288544968, 2577089936, 5154179872, 10308359744, 20616719488]

約数ペア:

[(1, 20616719488), (2, 10308359744), (4, 5154179872), (8, 2577089936), (16, 1288544968), (32, 644272484), (61, 337979008), (64, 322136242), (122, 168989504), (128, 161068121), (244, 84494752), (488, 42247376), (797, 25867904), (976, 21123688), (1594, 12933952), (1952, 10561844), (3188, 6466976), (3313, 6222976), (3904, 5280922), (6376, 3233488), (6626, 3111488), (7808, 2640461), (12752, 1616744), (13252, 1555744), (25504, 808372), (26504, 777872), (48617, 424064), (51008, 404186), (53008, 388936), (97234, 212032), (102016, 202093), (106016, 194468)]