20177777028

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1\times {\mathrm{28477}}^1$

素因数の和:29052

約数の個数: 48

約数和(自身を含む): 47536844544

約数和(自身を除く): 27359067516

約数列:

[1, 2, 3, 4, 6, 12, 137, 274, 411, 431, 548, 822, 862, 1293, 1644, 1724, 2586, 5172, 28477, 56954, 59047, 85431, 113908, 118094, 170862, 177141, 236188, 341724, 354282, 708564, 3901349, 7802698, 11704047, 12273587, 15605396, 23408094, 24547174, 36820761, 46816188, 49094348, 73641522, 147283044, 1681481419, 3362962838, 5044444257, 6725925676, 10088888514, 20177777028]

約数ペア:

[(1, 20177777028), (2, 10088888514), (3, 6725925676), (4, 5044444257), (6, 3362962838), (12, 1681481419), (137, 147283044), (274, 73641522), (411, 49094348), (431, 46816188), (548, 36820761), (822, 24547174), (862, 23408094), (1293, 15605396), (1644, 12273587), (1724, 11704047), (2586, 7802698), (5172, 3901349), (28477, 708564), (56954, 354282), (59047, 341724), (85431, 236188), (113908, 177141), (118094, 170862)]