20356830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 57867264

約数和(自身を除く): 37510434

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 127, 130, 137, 195, 234, 254, 274, 381, 390, 411, 585, 635, 685, 762, 822, 1143, 1170, 1233, 1270, 1370, 1651, 1781, 1905, 2055, 2286, 2466, 3302, 3562, 3810, 4110, 4953, 5343, 5715, 6165, 8255, 8905, 9906, 10686, 11430, 12330, 14859, 16029, 16510, 17399, 17810, 24765, 26715, 29718, 32058, 34798, 49530, 52197, 53430, 74295, 80145, 86995, 104394, 148590, 156591, 160290, 173990, 226187, 260985, 313182, 452374, 521970, 678561, 782955, 1130935, 1357122, 1565910, 2035683, 2261870, 3392805, 4071366, 6785610, 10178415, 20356830]

約数ペア:

[(1, 20356830), (2, 10178415), (3, 6785610), (5, 4071366), (6, 3392805), (9, 2261870), (10, 2035683), (13, 1565910), (15, 1357122), (18, 1130935), (26, 782955), (30, 678561), (39, 521970), (45, 452374), (65, 313182), (78, 260985), (90, 226187), (117, 173990), (127, 160290), (130, 156591), (137, 148590), (195, 104394), (234, 86995), (254, 80145), (274, 74295), (381, 53430), (390, 52197), (411, 49530), (585, 34798), (635, 32058), (685, 29718), (762, 26715), (822, 24765), (1143, 17810), (1170, 17399), (1233, 16510), (1270, 16029), (1370, 14859), (1651, 12330), (1781, 11430), (1905, 10686), (2055, 9906), (2286, 8905), (2466, 8255), (3302, 6165), (3562, 5715), (3810, 5343), (4110, 4953)]