20171978224

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{2719}}^1$

素因数の和:3086

約数の個数: 80

約数和(自身を含む): 41283072000

約数和(自身を除く): 21111093776

約数列:

[1, 2, 4, 8, 16, 29, 58, 59, 116, 118, 232, 236, 271, 464, 472, 542, 944, 1084, 1711, 2168, 2719, 3422, 4336, 5438, 6844, 7859, 10876, 13688, 15718, 15989, 21752, 27376, 31436, 31978, 43504, 62872, 63956, 78851, 125744, 127912, 157702, 160421, 255824, 315404, 320842, 463681, 630808, 641684, 736849, 927362, 1261616, 1283368, 1473698, 1854724, 2566736, 2947396, 3709448, 4652209, 5894792, 7418896, 9304418, 11789584, 18608836, 21368621, 37217672, 42737242, 43474091, 74435344, 85474484, 86948182, 170948968, 173896364, 341897936, 347792728, 695585456, 1260748639, 2521497278, 5042994556, 10085989112, 20171978224]

約数ペア:

[(1, 20171978224), (2, 10085989112), (4, 5042994556), (8, 2521497278), (16, 1260748639), (29, 695585456), (58, 347792728), (59, 341897936), (116, 173896364), (118, 170948968), (232, 86948182), (236, 85474484), (271, 74435344), (464, 43474091), (472, 42737242), (542, 37217672), (944, 21368621), (1084, 18608836), (1711, 11789584), (2168, 9304418), (2719, 7418896), (3422, 5894792), (4336, 4652209), (5438, 3709448), (6844, 2947396), (7859, 2566736), (10876, 1854724), (13688, 1473698), (15718, 1283368), (15989, 1261616), (21752, 927362), (27376, 736849), (31436, 641684), (31978, 630808), (43504, 463681), (62872, 320842), (63956, 315404), (78851, 255824), (125744, 160421), (127912, 157702)]