20178753335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{733}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 27248006016

約数和(自身を除く): 7069252681

約数列:

[1, 5, 13, 53, 61, 65, 131, 265, 305, 655, 689, 733, 793, 1703, 3233, 3445, 3665, 3965, 6943, 7991, 8515, 9529, 16165, 34715, 38849, 39955, 42029, 44713, 47645, 90259, 96023, 103883, 194245, 210145, 223565, 423523, 451295, 480115, 505037, 519415, 581269, 1248299, 2117615, 2369789, 2525185, 2906345, 5089219, 5505799, 5857403, 6241495, 11848945, 25446095, 27528995, 29287015, 30807257, 66159847, 76146239, 154036285, 310442359, 330799235, 380731195, 1552211795, 4035750667, 20178753335]

約数ペア:

[(1, 20178753335), (5, 4035750667), (13, 1552211795), (53, 380731195), (61, 330799235), (65, 310442359), (131, 154036285), (265, 76146239), (305, 66159847), (655, 30807257), (689, 29287015), (733, 27528995), (793, 25446095), (1703, 11848945), (3233, 6241495), (3445, 5857403), (3665, 5505799), (3965, 5089219), (6943, 2906345), (7991, 2525185), (8515, 2369789), (9529, 2117615), (16165, 1248299), (34715, 581269), (38849, 519415), (39955, 505037), (42029, 480115), (44713, 451295), (47645, 423523), (90259, 223565), (96023, 210145), (103883, 194245)]