20441694

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1345

約数の個数: 64

約数和(自身を含む): 52093440

約数和(自身を除く): 31651746

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 87, 91, 174, 182, 203, 273, 377, 406, 546, 609, 754, 1131, 1218, 1291, 2262, 2582, 2639, 3873, 5278, 7746, 7917, 9037, 15834, 16783, 18074, 27111, 33566, 37439, 50349, 54222, 74878, 100698, 112317, 117481, 224634, 234962, 262073, 352443, 486707, 524146, 704886, 786219, 973414, 1460121, 1572438, 2920242, 3406949, 6813898, 10220847, 20441694]

約数ペア:

[(1, 20441694), (2, 10220847), (3, 6813898), (6, 3406949), (7, 2920242), (13, 1572438), (14, 1460121), (21, 973414), (26, 786219), (29, 704886), (39, 524146), (42, 486707), (58, 352443), (78, 262073), (87, 234962), (91, 224634), (174, 117481), (182, 112317), (203, 100698), (273, 74878), (377, 54222), (406, 50349), (546, 37439), (609, 33566), (754, 27111), (1131, 18074), (1218, 16783), (1291, 15834), (2262, 9037), (2582, 7917), (2639, 7746), (3873, 5278)]