20166441561

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1\times {\mathrm{2953}}^1$

素因数の和:4563

約数の個数: 64

約数和(自身を含む): 35663523840

約数和(自身を除く): 15497082279

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 1571, 2953, 4347, 4713, 8859, 10997, 14139, 20671, 26577, 32991, 36133, 42417, 62013, 67919, 79731, 98973, 108399, 186039, 203757, 252931, 296919, 325197, 475433, 558117, 611271, 758793, 975591, 1426299, 1833813, 2276379, 4278897, 4639163, 6829137, 12836691, 13917489, 32474141, 41752467, 97422423, 106700749, 125257401, 292267269, 320102247, 746905243, 876801807, 960306741, 2240715729, 2880920223, 6722147187, 20166441561]

約数ペア:

[(1, 20166441561), (3, 6722147187), (7, 2880920223), (9, 2240715729), (21, 960306741), (23, 876801807), (27, 746905243), (63, 320102247), (69, 292267269), (161, 125257401), (189, 106700749), (207, 97422423), (483, 41752467), (621, 32474141), (1449, 13917489), (1571, 12836691), (2953, 6829137), (4347, 4639163), (4713, 4278897), (8859, 2276379), (10997, 1833813), (14139, 1426299), (20671, 975591), (26577, 758793), (32991, 611271), (36133, 558117), (42417, 475433), (62013, 325197), (67919, 296919), (79731, 252931), (98973, 203757), (108399, 186039)]