20293202020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{51383}}^1$

素因数の和:51450

約数の個数: 144

約数和(自身を含む): 55109956608

約数和(自身を除く): 34816754588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 140, 155, 182, 196, 217, 245, 260, 310, 364, 403, 434, 455, 490, 620, 637, 806, 868, 910, 980, 1085, 1274, 1519, 1612, 1820, 2015, 2170, 2548, 2821, 3038, 3185, 4030, 4340, 5642, 6076, 6370, 7595, 8060, 11284, 12740, 14105, 15190, 19747, 28210, 30380, 39494, 51383, 56420, 78988, 98735, 102766, 197470, 205532, 256915, 359681, 394940, 513830, 667979, 719362, 1027660, 1335958, 1438724, 1592873, 1798405, 2517767, 2671916, 3185746, 3339895, 3596810, 4675853, 5035534, 6371492, 6679790, 7193620, 7964365, 9351706, 10071068, 11150111, 12588835, 13359580, 15928730, 18703412, 20707349, 22300222, 23379265, 25177670, 31857460, 32730971, 41414698, 44600444, 46758530, 50355340, 55750555, 65461942, 78050777, 82829396, 93517060, 103536745, 111501110, 130923884, 144951443, 156101554, 163654855, 207073490, 223002220, 289902886, 312203108, 327309710, 390253885, 414146980, 579805772, 654619420, 724757215, 780507770, 1014660101, 1449514430, 1561015540, 2029320202, 2899028860, 4058640404, 5073300505, 10146601010, 20293202020]

約数ペア:

[(1, 20293202020), (2, 10146601010), (4, 5073300505), (5, 4058640404), (7, 2899028860), (10, 2029320202), (13, 1561015540), (14, 1449514430), (20, 1014660101), (26, 780507770), (28, 724757215), (31, 654619420), (35, 579805772), (49, 414146980), (52, 390253885), (62, 327309710), (65, 312203108), (70, 289902886), (91, 223002220), (98, 207073490), (124, 163654855), (130, 156101554), (140, 144951443), (155, 130923884), (182, 111501110), (196, 103536745), (217, 93517060), (245, 82829396), (260, 78050777), (310, 65461942), (364, 55750555), (403, 50355340), (434, 46758530), (455, 44600444), (490, 41414698), (620, 32730971), (637, 31857460), (806, 25177670), (868, 23379265), (910, 22300222), (980, 20707349), (1085, 18703412), (1274, 15928730), (1519, 13359580), (1612, 12588835), (1820, 11150111), (2015, 10071068), (2170, 9351706), (2548, 7964365), (2821, 7193620), (3038, 6679790), (3185, 6371492), (4030, 5035534), (4340, 4675853), (5642, 3596810), (6076, 3339895), (6370, 3185746), (7595, 2671916), (8060, 2517767), (11284, 1798405), (12740, 1592873), (14105, 1438724), (15190, 1335958), (19747, 1027660), (28210, 719362), (30380, 667979), (39494, 513830), (51383, 394940), (56420, 359681), (78988, 256915), (98735, 205532), (102766, 197470)]