20530560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1$

素因数の和:93

約数の個数: 192

約数和(自身を含む): 71395920

約数和(自身を除く): 50865360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 37, 40, 48, 51, 60, 64, 68, 74, 80, 85, 96, 102, 111, 120, 128, 136, 148, 160, 170, 185, 192, 204, 222, 240, 255, 272, 289, 296, 320, 340, 370, 384, 408, 444, 480, 510, 544, 555, 578, 592, 629, 640, 680, 740, 816, 867, 888, 960, 1020, 1088, 1110, 1156, 1184, 1258, 1360, 1445, 1480, 1632, 1734, 1776, 1887, 1920, 2040, 2176, 2220, 2312, 2368, 2516, 2720, 2890, 2960, 3145, 3264, 3468, 3552, 3774, 4080, 4335, 4440, 4624, 4736, 5032, 5440, 5780, 5920, 6290, 6528, 6936, 7104, 7548, 8160, 8670, 8880, 9248, 9435, 10064, 10693, 10880, 11560, 11840, 12580, 13872, 14208, 15096, 16320, 17340, 17760, 18496, 18870, 20128, 21386, 23120, 23680, 25160, 27744, 30192, 32079, 32640, 34680, 35520, 36992, 37740, 40256, 42772, 46240, 50320, 53465, 55488, 60384, 64158, 69360, 71040, 75480, 80512, 85544, 92480, 100640, 106930, 110976, 120768, 128316, 138720, 150960, 160395, 171088, 184960, 201280, 213860, 241536, 256632, 277440, 301920, 320790, 342176, 402560, 427720, 513264, 554880, 603840, 641580, 684352, 855440, 1026528, 1207680, 1283160, 1368704, 1710880, 2053056, 2566320, 3421760, 4106112, 5132640, 6843520, 10265280, 20530560]

約数ペア:

[(1, 20530560), (2, 10265280), (3, 6843520), (4, 5132640), (5, 4106112), (6, 3421760), (8, 2566320), (10, 2053056), (12, 1710880), (15, 1368704), (16, 1283160), (17, 1207680), (20, 1026528), (24, 855440), (30, 684352), (32, 641580), (34, 603840), (37, 554880), (40, 513264), (48, 427720), (51, 402560), (60, 342176), (64, 320790), (68, 301920), (74, 277440), (80, 256632), (85, 241536), (96, 213860), (102, 201280), (111, 184960), (120, 171088), (128, 160395), (136, 150960), (148, 138720), (160, 128316), (170, 120768), (185, 110976), (192, 106930), (204, 100640), (222, 92480), (240, 85544), (255, 80512), (272, 75480), (289, 71040), (296, 69360), (320, 64158), (340, 60384), (370, 55488), (384, 53465), (408, 50320), (444, 46240), (480, 42772), (510, 40256), (544, 37740), (555, 36992), (578, 35520), (592, 34680), (629, 32640), (640, 32079), (680, 30192), (740, 27744), (816, 25160), (867, 23680), (888, 23120), (960, 21386), (1020, 20128), (1088, 18870), (1110, 18496), (1156, 17760), (1184, 17340), (1258, 16320), (1360, 15096), (1445, 14208), (1480, 13872), (1632, 12580), (1734, 11840), (1776, 11560), (1887, 10880), (1920, 10693), (2040, 10064), (2176, 9435), (2220, 9248), (2312, 8880), (2368, 8670), (2516, 8160), (2720, 7548), (2890, 7104), (2960, 6936), (3145, 6528), (3264, 6290), (3468, 5920), (3552, 5780), (3774, 5440), (4080, 5032), (4335, 4736), (4440, 4624)]