20912523660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{873539}}^1$

素因数の和:873580

約数の個数: 144

約数和(自身を含む): 76312454400

約数和(自身を除く): 55399930740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 11970, 23940, 873539, 1747078, 2620617, 3494156, 4367695, 5241234, 6114773, 7861851, 8735390, 10482468, 12229546, 13103085, 15723702, 16597241, 17470780, 18344319, 24459092, 26206170, 30573865, 31447404, 33194482, 36688638, 39309255, 49791723, 52412340, 55032957, 61147730, 66388964, 73377276, 78618510, 82986205, 91721595, 99583446, 110065914, 116180687, 122295460, 149375169, 157237020, 165972410, 183443190, 199166892, 220131828, 232361374, 248958615, 275164785, 298750338, 331944820, 348542061, 366886380, 464722748, 497917230, 550329570, 580903435, 597500676, 697084122, 746875845, 995834460, 1045626183, 1100659140, 1161806870, 1394168244, 1493751690, 1742710305, 2091252366, 2323613740, 2987503380, 3485420610, 4182504732, 5228130915, 6970841220, 10456261830, 20912523660]

約数ペア:

[(1, 20912523660), (2, 10456261830), (3, 6970841220), (4, 5228130915), (5, 4182504732), (6, 3485420610), (7, 2987503380), (9, 2323613740), (10, 2091252366), (12, 1742710305), (14, 1493751690), (15, 1394168244), (18, 1161806870), (19, 1100659140), (20, 1045626183), (21, 995834460), (28, 746875845), (30, 697084122), (35, 597500676), (36, 580903435), (38, 550329570), (42, 497917230), (45, 464722748), (57, 366886380), (60, 348542061), (63, 331944820), (70, 298750338), (76, 275164785), (84, 248958615), (90, 232361374), (95, 220131828), (105, 199166892), (114, 183443190), (126, 165972410), (133, 157237020), (140, 149375169), (171, 122295460), (180, 116180687), (190, 110065914), (210, 99583446), (228, 91721595), (252, 82986205), (266, 78618510), (285, 73377276), (315, 66388964), (342, 61147730), (380, 55032957), (399, 52412340), (420, 49791723), (532, 39309255), (570, 36688638), (630, 33194482), (665, 31447404), (684, 30573865), (798, 26206170), (855, 24459092), (1140, 18344319), (1197, 17470780), (1260, 16597241), (1330, 15723702), (1596, 13103085), (1710, 12229546), (1995, 10482468), (2394, 8735390), (2660, 7861851), (3420, 6114773), (3990, 5241234), (4788, 4367695), (5985, 3494156), (7980, 2620617), (11970, 1747078), (23940, 873539)]