20587320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 74299680

約数和(自身を除く): 53712360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 53, 60, 65, 72, 78, 83, 90, 104, 106, 117, 120, 130, 156, 159, 166, 180, 195, 212, 234, 249, 260, 265, 312, 318, 332, 360, 390, 415, 424, 468, 477, 498, 520, 530, 585, 636, 664, 689, 747, 780, 795, 830, 936, 954, 996, 1060, 1079, 1170, 1245, 1272, 1378, 1494, 1560, 1590, 1660, 1908, 1992, 2067, 2120, 2158, 2340, 2385, 2490, 2756, 2988, 3180, 3237, 3320, 3445, 3735, 3816, 4134, 4316, 4399, 4680, 4770, 4980, 5395, 5512, 5976, 6201, 6360, 6474, 6890, 7470, 8268, 8632, 8798, 9540, 9711, 9960, 10335, 10790, 12402, 12948, 13197, 13780, 14940, 16185, 16536, 17596, 19080, 19422, 20670, 21580, 21995, 24804, 25896, 26394, 27560, 29880, 31005, 32370, 35192, 38844, 39591, 41340, 43160, 43990, 48555, 49608, 52788, 57187, 62010, 64740, 65985, 77688, 79182, 82680, 87980, 97110, 105576, 114374, 124020, 129480, 131970, 158364, 171561, 175960, 194220, 197955, 228748, 248040, 263940, 285935, 316728, 343122, 388440, 395910, 457496, 514683, 527880, 571870, 686244, 791820, 857805, 1029366, 1143740, 1372488, 1583640, 1715610, 2058732, 2287480, 2573415, 3431220, 4117464, 5146830, 6862440, 10293660, 20587320]

約数ペア:

[(1, 20587320), (2, 10293660), (3, 6862440), (4, 5146830), (5, 4117464), (6, 3431220), (8, 2573415), (9, 2287480), (10, 2058732), (12, 1715610), (13, 1583640), (15, 1372488), (18, 1143740), (20, 1029366), (24, 857805), (26, 791820), (30, 686244), (36, 571870), (39, 527880), (40, 514683), (45, 457496), (52, 395910), (53, 388440), (60, 343122), (65, 316728), (72, 285935), (78, 263940), (83, 248040), (90, 228748), (104, 197955), (106, 194220), (117, 175960), (120, 171561), (130, 158364), (156, 131970), (159, 129480), (166, 124020), (180, 114374), (195, 105576), (212, 97110), (234, 87980), (249, 82680), (260, 79182), (265, 77688), (312, 65985), (318, 64740), (332, 62010), (360, 57187), (390, 52788), (415, 49608), (424, 48555), (468, 43990), (477, 43160), (498, 41340), (520, 39591), (530, 38844), (585, 35192), (636, 32370), (664, 31005), (689, 29880), (747, 27560), (780, 26394), (795, 25896), (830, 24804), (936, 21995), (954, 21580), (996, 20670), (1060, 19422), (1079, 19080), (1170, 17596), (1245, 16536), (1272, 16185), (1378, 14940), (1494, 13780), (1560, 13197), (1590, 12948), (1660, 12402), (1908, 10790), (1992, 10335), (2067, 9960), (2120, 9711), (2158, 9540), (2340, 8798), (2385, 8632), (2490, 8268), (2756, 7470), (2988, 6890), (3180, 6474), (3237, 6360), (3320, 6201), (3445, 5976), (3735, 5512), (3816, 5395), (4134, 4980), (4316, 4770), (4399, 4680)]