20147377510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{331}}^1\times {\mathrm{1297}}^1$

素因数の和:1686

約数の個数: 96

約数和(自身を含む): 41375027232

約数和(自身を除く): 21227649722

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 331, 361, 494, 662, 722, 1235, 1297, 1655, 1805, 2470, 2594, 3310, 3610, 4303, 4693, 6289, 6485, 8606, 9386, 12578, 12970, 16861, 21515, 23465, 24643, 31445, 33722, 43030, 46930, 49286, 62890, 81757, 84305, 119491, 123215, 163514, 168610, 238982, 246430, 320359, 408785, 429307, 468217, 597455, 640718, 817570, 858614, 936434, 1194910, 1553383, 1601795, 2146535, 2341085, 3106766, 3203590, 4293070, 4682170, 5580991, 6086821, 7766915, 8156833, 11161982, 12173642, 15533830, 16313666, 27904955, 30434105, 40784165, 55809910, 60868210, 81568330, 106038829, 154979827, 212077658, 309959654, 530194145, 774899135, 1060388290, 1549798270, 2014737751, 4029475502, 10073688755, 20147377510]

約数ペア:

[(1, 20147377510), (2, 10073688755), (5, 4029475502), (10, 2014737751), (13, 1549798270), (19, 1060388290), (26, 774899135), (38, 530194145), (65, 309959654), (95, 212077658), (130, 154979827), (190, 106038829), (247, 81568330), (331, 60868210), (361, 55809910), (494, 40784165), (662, 30434105), (722, 27904955), (1235, 16313666), (1297, 15533830), (1655, 12173642), (1805, 11161982), (2470, 8156833), (2594, 7766915), (3310, 6086821), (3610, 5580991), (4303, 4682170), (4693, 4293070), (6289, 3203590), (6485, 3106766), (8606, 2341085), (9386, 2146535), (12578, 1601795), (12970, 1553383), (16861, 1194910), (21515, 936434), (23465, 858614), (24643, 817570), (31445, 640718), (33722, 597455), (43030, 468217), (46930, 429307), (49286, 408785), (62890, 320359), (81757, 246430), (84305, 238982), (119491, 168610), (123215, 163514)]