20933120

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 160

約数和(自身を含む): 58777488

約数和(自身を除く): 37844368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 37, 40, 52, 64, 65, 68, 74, 80, 85, 104, 128, 130, 136, 148, 160, 170, 185, 208, 221, 256, 260, 272, 296, 320, 340, 370, 416, 442, 481, 512, 520, 544, 592, 629, 640, 680, 740, 832, 884, 962, 1040, 1088, 1105, 1184, 1258, 1280, 1360, 1480, 1664, 1768, 1924, 2080, 2176, 2210, 2368, 2405, 2516, 2560, 2720, 2960, 3145, 3328, 3536, 3848, 4160, 4352, 4420, 4736, 4810, 5032, 5440, 5920, 6290, 6656, 7072, 7696, 8177, 8320, 8704, 8840, 9472, 9620, 10064, 10880, 11840, 12580, 14144, 15392, 16354, 16640, 17680, 18944, 19240, 20128, 21760, 23680, 25160, 28288, 30784, 32708, 33280, 35360, 38480, 40256, 40885, 43520, 47360, 50320, 56576, 61568, 65416, 70720, 76960, 80512, 81770, 94720, 100640, 113152, 123136, 130832, 141440, 153920, 161024, 163540, 201280, 246272, 261664, 282880, 307840, 322048, 327080, 402560, 523328, 565760, 615680, 654160, 805120, 1046656, 1231360, 1308320, 1610240, 2093312, 2616640, 4186624, 5233280, 10466560, 20933120]

約数ペア:

[(1, 20933120), (2, 10466560), (4, 5233280), (5, 4186624), (8, 2616640), (10, 2093312), (13, 1610240), (16, 1308320), (17, 1231360), (20, 1046656), (26, 805120), (32, 654160), (34, 615680), (37, 565760), (40, 523328), (52, 402560), (64, 327080), (65, 322048), (68, 307840), (74, 282880), (80, 261664), (85, 246272), (104, 201280), (128, 163540), (130, 161024), (136, 153920), (148, 141440), (160, 130832), (170, 123136), (185, 113152), (208, 100640), (221, 94720), (256, 81770), (260, 80512), (272, 76960), (296, 70720), (320, 65416), (340, 61568), (370, 56576), (416, 50320), (442, 47360), (481, 43520), (512, 40885), (520, 40256), (544, 38480), (592, 35360), (629, 33280), (640, 32708), (680, 30784), (740, 28288), (832, 25160), (884, 23680), (962, 21760), (1040, 20128), (1088, 19240), (1105, 18944), (1184, 17680), (1258, 16640), (1280, 16354), (1360, 15392), (1480, 14144), (1664, 12580), (1768, 11840), (1924, 10880), (2080, 10064), (2176, 9620), (2210, 9472), (2368, 8840), (2405, 8704), (2516, 8320), (2560, 8177), (2720, 7696), (2960, 7072), (3145, 6656), (3328, 6290), (3536, 5920), (3848, 5440), (4160, 5032), (4352, 4810), (4420, 4736)]