20123909910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{8117}}^1$

素因数の和:8319

約数の個数: 144

約数和(自身を含む): 57011155344

約数和(自身を除く): 36887245434

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 163, 169, 195, 234, 326, 338, 390, 489, 507, 585, 815, 845, 978, 1014, 1170, 1467, 1521, 1630, 1690, 2119, 2445, 2535, 2934, 3042, 4238, 4890, 5070, 6357, 7335, 7605, 8117, 10595, 12714, 14670, 15210, 16234, 19071, 21190, 24351, 27547, 31785, 38142, 40585, 48702, 55094, 63570, 73053, 81170, 82641, 95355, 105521, 121755, 137735, 146106, 165282, 190710, 211042, 243510, 247923, 275470, 316563, 365265, 413205, 495846, 527605, 633126, 730530, 826410, 949689, 1055210, 1239615, 1323071, 1371773, 1582815, 1899378, 2479230, 2646142, 2743546, 3165630, 3969213, 4115319, 4748445, 6615355, 6858865, 7938426, 8230638, 9496890, 11907639, 12345957, 13230710, 13717730, 17199923, 19846065, 20576595, 23815278, 24691914, 34399846, 39692130, 41153190, 51599769, 59538195, 61729785, 85999615, 103199538, 119076390, 123459570, 154799307, 171999230, 223598999, 257998845, 309598614, 447197998, 515997690, 670796997, 773996535, 1117994995, 1341593994, 1547993070, 2012390991, 2235989990, 3353984985, 4024781982, 6707969970, 10061954955, 20123909910]

約数ペア:

[(1, 20123909910), (2, 10061954955), (3, 6707969970), (5, 4024781982), (6, 3353984985), (9, 2235989990), (10, 2012390991), (13, 1547993070), (15, 1341593994), (18, 1117994995), (26, 773996535), (30, 670796997), (39, 515997690), (45, 447197998), (65, 309598614), (78, 257998845), (90, 223598999), (117, 171999230), (130, 154799307), (163, 123459570), (169, 119076390), (195, 103199538), (234, 85999615), (326, 61729785), (338, 59538195), (390, 51599769), (489, 41153190), (507, 39692130), (585, 34399846), (815, 24691914), (845, 23815278), (978, 20576595), (1014, 19846065), (1170, 17199923), (1467, 13717730), (1521, 13230710), (1630, 12345957), (1690, 11907639), (2119, 9496890), (2445, 8230638), (2535, 7938426), (2934, 6858865), (3042, 6615355), (4238, 4748445), (4890, 4115319), (5070, 3969213), (6357, 3165630), (7335, 2743546), (7605, 2646142), (8117, 2479230), (10595, 1899378), (12714, 1582815), (14670, 1371773), (15210, 1323071), (16234, 1239615), (19071, 1055210), (21190, 949689), (24351, 826410), (27547, 730530), (31785, 633126), (38142, 527605), (40585, 495846), (48702, 413205), (55094, 365265), (63570, 316563), (73053, 275470), (81170, 247923), (82641, 243510), (95355, 211042), (105521, 190710), (121755, 165282), (137735, 146106)]