20409822804

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{3919}}^1$

素因数の和:4478

約数の個数: 144

約数和(自身を含む): 58784382720

約数和(自身を除く): 38374559916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 49, 51, 68, 84, 98, 102, 119, 147, 196, 204, 238, 294, 357, 476, 521, 588, 714, 833, 1042, 1428, 1563, 1666, 2084, 2499, 3126, 3332, 3647, 3919, 4998, 6252, 7294, 7838, 8857, 9996, 10941, 11757, 14588, 15676, 17714, 21882, 23514, 25529, 26571, 27433, 35428, 43764, 47028, 51058, 53142, 54866, 61999, 66623, 76587, 82299, 102116, 106284, 109732, 123998, 133246, 153174, 164598, 185997, 192031, 199869, 247996, 266492, 306348, 329196, 371994, 384062, 399738, 433993, 466361, 576093, 743988, 768124, 799476, 867986, 932722, 1152186, 1301979, 1399083, 1735972, 1865444, 2041799, 2304372, 2603958, 2798166, 3264527, 4083598, 5207916, 5596332, 6125397, 6529054, 8167196, 9793581, 12250794, 13058108, 14292593, 19587162, 24501588, 28585186, 34710583, 39174324, 42877779, 57170372, 69421166, 85755558, 100048151, 104131749, 138842332, 171511116, 200096302, 208263498, 242974081, 300144453, 400192604, 416526996, 485948162, 600288906, 728922243, 971896324, 1200577812, 1457844486, 1700818567, 2915688972, 3401637134, 5102455701, 6803274268, 10204911402, 20409822804]

約数ペア:

[(1, 20409822804), (2, 10204911402), (3, 6803274268), (4, 5102455701), (6, 3401637134), (7, 2915688972), (12, 1700818567), (14, 1457844486), (17, 1200577812), (21, 971896324), (28, 728922243), (34, 600288906), (42, 485948162), (49, 416526996), (51, 400192604), (68, 300144453), (84, 242974081), (98, 208263498), (102, 200096302), (119, 171511116), (147, 138842332), (196, 104131749), (204, 100048151), (238, 85755558), (294, 69421166), (357, 57170372), (476, 42877779), (521, 39174324), (588, 34710583), (714, 28585186), (833, 24501588), (1042, 19587162), (1428, 14292593), (1563, 13058108), (1666, 12250794), (2084, 9793581), (2499, 8167196), (3126, 6529054), (3332, 6125397), (3647, 5596332), (3919, 5207916), (4998, 4083598), (6252, 3264527), (7294, 2798166), (7838, 2603958), (8857, 2304372), (9996, 2041799), (10941, 1865444), (11757, 1735972), (14588, 1399083), (15676, 1301979), (17714, 1152186), (21882, 932722), (23514, 867986), (25529, 799476), (26571, 768124), (27433, 743988), (35428, 576093), (43764, 466361), (47028, 433993), (51058, 399738), (53142, 384062), (54866, 371994), (61999, 329196), (66623, 306348), (76587, 266492), (82299, 247996), (102116, 199869), (106284, 192031), (109732, 185997), (123998, 164598), (133246, 153174)]