20171837452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:839

約数の個数: 96

約数和(自身を含む): 39663638784

約数和(自身を除く): 19491801332

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 131, 148, 163, 262, 326, 481, 491, 524, 652, 962, 982, 1703, 1924, 1964, 2119, 3406, 4238, 4847, 6031, 6383, 6812, 8476, 9694, 12062, 12766, 18167, 19388, 21353, 24124, 25532, 36334, 42706, 63011, 64321, 72668, 78403, 80033, 85412, 126022, 128642, 156806, 160066, 236171, 252044, 257284, 277589, 313612, 320132, 472342, 555178, 790061, 836173, 944684, 1040429, 1110356, 1580122, 1672346, 2080858, 2379877, 2961221, 3160244, 3344692, 4161716, 4759754, 5922442, 9519508, 10270793, 10484323, 11844884, 20541586, 20968646, 30938401, 38495873, 41083172, 41937292, 61876802, 76991746, 123753604, 136296199, 153983492, 272592398, 387919951, 545184796, 775839902, 1551679804, 5042959363, 10085918726, 20171837452]

約数ペア:

[(1, 20171837452), (2, 10085918726), (4, 5042959363), (13, 1551679804), (26, 775839902), (37, 545184796), (52, 387919951), (74, 272592398), (131, 153983492), (148, 136296199), (163, 123753604), (262, 76991746), (326, 61876802), (481, 41937292), (491, 41083172), (524, 38495873), (652, 30938401), (962, 20968646), (982, 20541586), (1703, 11844884), (1924, 10484323), (1964, 10270793), (2119, 9519508), (3406, 5922442), (4238, 4759754), (4847, 4161716), (6031, 3344692), (6383, 3160244), (6812, 2961221), (8476, 2379877), (9694, 2080858), (12062, 1672346), (12766, 1580122), (18167, 1110356), (19388, 1040429), (21353, 944684), (24124, 836173), (25532, 790061), (36334, 555178), (42706, 472342), (63011, 320132), (64321, 313612), (72668, 277589), (78403, 257284), (80033, 252044), (85412, 236171), (126022, 160066), (128642, 156806)]