20441907640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{108803}}^1$

素因数の和:108893

約数の個数: 128

約数和(自身を含む): 58284126720

約数和(自身を除く): 37842219080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 61, 70, 77, 88, 110, 122, 140, 154, 220, 244, 280, 305, 308, 385, 427, 440, 488, 610, 616, 671, 770, 854, 1220, 1342, 1540, 1708, 2135, 2440, 2684, 3080, 3355, 3416, 4270, 4697, 5368, 6710, 8540, 9394, 13420, 17080, 18788, 23485, 26840, 37576, 46970, 93940, 108803, 187880, 217606, 435212, 544015, 761621, 870424, 1088030, 1196833, 1523242, 2176060, 2393666, 3046484, 3808105, 4352120, 4787332, 5984165, 6092968, 6636983, 7616210, 8377831, 9574664, 11968330, 13273966, 15232420, 16755662, 23936660, 26547932, 30464840, 33184915, 33511324, 41889155, 46458881, 47873320, 53095864, 66369830, 67022648, 73006813, 83778310, 92917762, 132739660, 146013626, 167556620, 185835524, 232294405, 265479320, 292027252, 335113240, 365034065, 371671048, 464588810, 511047691, 584054504, 730068130, 929177620, 1022095382, 1460136260, 1858355240, 2044190764, 2555238455, 2920272520, 4088381528, 5110476910, 10220953820, 20441907640]

約数ペア:

[(1, 20441907640), (2, 10220953820), (4, 5110476910), (5, 4088381528), (7, 2920272520), (8, 2555238455), (10, 2044190764), (11, 1858355240), (14, 1460136260), (20, 1022095382), (22, 929177620), (28, 730068130), (35, 584054504), (40, 511047691), (44, 464588810), (55, 371671048), (56, 365034065), (61, 335113240), (70, 292027252), (77, 265479320), (88, 232294405), (110, 185835524), (122, 167556620), (140, 146013626), (154, 132739660), (220, 92917762), (244, 83778310), (280, 73006813), (305, 67022648), (308, 66369830), (385, 53095864), (427, 47873320), (440, 46458881), (488, 41889155), (610, 33511324), (616, 33184915), (671, 30464840), (770, 26547932), (854, 23936660), (1220, 16755662), (1342, 15232420), (1540, 13273966), (1708, 11968330), (2135, 9574664), (2440, 8377831), (2684, 7616210), (3080, 6636983), (3355, 6092968), (3416, 5984165), (4270, 4787332), (4697, 4352120), (5368, 3808105), (6710, 3046484), (8540, 2393666), (9394, 2176060), (13420, 1523242), (17080, 1196833), (18788, 1088030), (23485, 870424), (26840, 761621), (37576, 544015), (46970, 435212), (93940, 217606), (108803, 187880)]