20435220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 192

約数和(自身を含む): 71124480

約数和(自身を除く): 50689260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 41, 45, 52, 54, 60, 65, 71, 78, 82, 90, 108, 117, 123, 130, 135, 142, 156, 164, 180, 195, 205, 213, 234, 246, 260, 270, 284, 351, 355, 369, 390, 410, 426, 468, 492, 533, 540, 585, 615, 639, 702, 710, 738, 780, 820, 852, 923, 1065, 1066, 1107, 1170, 1230, 1278, 1404, 1420, 1476, 1599, 1755, 1845, 1846, 1917, 2130, 2132, 2214, 2340, 2460, 2556, 2665, 2769, 2911, 3195, 3198, 3510, 3690, 3692, 3834, 4260, 4428, 4615, 4797, 5330, 5535, 5538, 5822, 6390, 6396, 7020, 7380, 7668, 7995, 8307, 8733, 9230, 9585, 9594, 10660, 11070, 11076, 11644, 12780, 13845, 14391, 14555, 15990, 16614, 17466, 18460, 19170, 19188, 22140, 23985, 24921, 26199, 27690, 28782, 29110, 31980, 33228, 34932, 37843, 38340, 41535, 43665, 47970, 49842, 52398, 55380, 57564, 58220, 71955, 75686, 78597, 83070, 87330, 95940, 99684, 104796, 113529, 124605, 130995, 143910, 151372, 157194, 166140, 174660, 189215, 227058, 249210, 261990, 287820, 314388, 340587, 378430, 392985, 454116, 498420, 523980, 567645, 681174, 756860, 785970, 1021761, 1135290, 1362348, 1571940, 1702935, 2043522, 2270580, 3405870, 4087044, 5108805, 6811740, 10217610, 20435220]

約数ペア:

[(1, 20435220), (2, 10217610), (3, 6811740), (4, 5108805), (5, 4087044), (6, 3405870), (9, 2270580), (10, 2043522), (12, 1702935), (13, 1571940), (15, 1362348), (18, 1135290), (20, 1021761), (26, 785970), (27, 756860), (30, 681174), (36, 567645), (39, 523980), (41, 498420), (45, 454116), (52, 392985), (54, 378430), (60, 340587), (65, 314388), (71, 287820), (78, 261990), (82, 249210), (90, 227058), (108, 189215), (117, 174660), (123, 166140), (130, 157194), (135, 151372), (142, 143910), (156, 130995), (164, 124605), (180, 113529), (195, 104796), (205, 99684), (213, 95940), (234, 87330), (246, 83070), (260, 78597), (270, 75686), (284, 71955), (351, 58220), (355, 57564), (369, 55380), (390, 52398), (410, 49842), (426, 47970), (468, 43665), (492, 41535), (533, 38340), (540, 37843), (585, 34932), (615, 33228), (639, 31980), (702, 29110), (710, 28782), (738, 27690), (780, 26199), (820, 24921), (852, 23985), (923, 22140), (1065, 19188), (1066, 19170), (1107, 18460), (1170, 17466), (1230, 16614), (1278, 15990), (1404, 14555), (1420, 14391), (1476, 13845), (1599, 12780), (1755, 11644), (1845, 11076), (1846, 11070), (1917, 10660), (2130, 9594), (2132, 9585), (2214, 9230), (2340, 8733), (2460, 8307), (2556, 7995), (2665, 7668), (2769, 7380), (2911, 7020), (3195, 6396), (3198, 6390), (3510, 5822), (3690, 5538), (3692, 5535), (3834, 5330), (4260, 4797), (4428, 4615)]