20824050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 56871360

約数和(自身を除く): 36047310

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 59, 65, 75, 78, 118, 130, 150, 177, 181, 195, 295, 325, 354, 362, 390, 543, 590, 650, 767, 885, 905, 975, 1086, 1475, 1534, 1770, 1810, 1950, 2301, 2353, 2715, 2950, 3835, 4425, 4525, 4602, 4706, 5430, 7059, 7670, 8850, 9050, 10679, 11505, 11765, 13575, 14118, 19175, 21358, 23010, 23530, 27150, 32037, 35295, 38350, 53395, 57525, 58825, 64074, 70590, 106790, 115050, 117650, 138827, 160185, 176475, 266975, 277654, 320370, 352950, 416481, 533950, 694135, 800925, 832962, 1388270, 1601850, 2082405, 3470675, 4164810, 6941350, 10412025, 20824050]

約数ペア:

[(1, 20824050), (2, 10412025), (3, 6941350), (5, 4164810), (6, 3470675), (10, 2082405), (13, 1601850), (15, 1388270), (25, 832962), (26, 800925), (30, 694135), (39, 533950), (50, 416481), (59, 352950), (65, 320370), (75, 277654), (78, 266975), (118, 176475), (130, 160185), (150, 138827), (177, 117650), (181, 115050), (195, 106790), (295, 70590), (325, 64074), (354, 58825), (362, 57525), (390, 53395), (543, 38350), (590, 35295), (650, 32037), (767, 27150), (885, 23530), (905, 23010), (975, 21358), (1086, 19175), (1475, 14118), (1534, 13575), (1770, 11765), (1810, 11505), (1950, 10679), (2301, 9050), (2353, 8850), (2715, 7670), (2950, 7059), (3835, 5430), (4425, 4706), (4525, 4602)]