20125966920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{23447}}^1$

素因数の和:23795

約数の個数: 128

約数和(自身を含む): 63208304640

約数和(自身を除く): 43082337720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 311, 345, 460, 552, 622, 690, 920, 933, 1244, 1380, 1555, 1866, 2488, 2760, 3110, 3732, 4665, 6220, 7153, 7464, 9330, 12440, 14306, 18660, 21459, 23447, 28612, 35765, 37320, 42918, 46894, 57224, 70341, 71530, 85836, 93788, 107295, 117235, 140682, 143060, 171672, 187576, 214590, 234470, 281364, 286120, 351705, 429180, 468940, 539281, 562728, 703410, 858360, 937880, 1078562, 1406820, 1617843, 2157124, 2696405, 2813640, 3235686, 4314248, 5392810, 6471372, 7292017, 8089215, 10785620, 12942744, 14584034, 16178430, 21571240, 21876051, 29168068, 32356860, 36460085, 43752102, 58336136, 64713720, 72920170, 87504204, 109380255, 145840340, 167716391, 175008408, 218760510, 291680680, 335432782, 437521020, 503149173, 670865564, 838581955, 875042040, 1006298346, 1341731128, 1677163910, 2012596692, 2515745865, 3354327820, 4025193384, 5031491730, 6708655640, 10062983460, 20125966920]

約数ペア:

[(1, 20125966920), (2, 10062983460), (3, 6708655640), (4, 5031491730), (5, 4025193384), (6, 3354327820), (8, 2515745865), (10, 2012596692), (12, 1677163910), (15, 1341731128), (20, 1006298346), (23, 875042040), (24, 838581955), (30, 670865564), (40, 503149173), (46, 437521020), (60, 335432782), (69, 291680680), (92, 218760510), (115, 175008408), (120, 167716391), (138, 145840340), (184, 109380255), (230, 87504204), (276, 72920170), (311, 64713720), (345, 58336136), (460, 43752102), (552, 36460085), (622, 32356860), (690, 29168068), (920, 21876051), (933, 21571240), (1244, 16178430), (1380, 14584034), (1555, 12942744), (1866, 10785620), (2488, 8089215), (2760, 7292017), (3110, 6471372), (3732, 5392810), (4665, 4314248), (6220, 3235686), (7153, 2813640), (7464, 2696405), (9330, 2157124), (12440, 1617843), (14306, 1406820), (18660, 1078562), (21459, 937880), (23447, 858360), (28612, 703410), (35765, 562728), (37320, 539281), (42918, 468940), (46894, 429180), (57224, 351705), (70341, 286120), (71530, 281364), (85836, 234470), (93788, 214590), (107295, 187576), (117235, 171672), (140682, 143060)]