20161745025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1\times {\mathrm{353}}^1$

素因数の和:803

約数の個数: 96

約数和(自身を含む): 35555760000

約数和(自身を除く): 15394014975

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 149, 269, 285, 353, 447, 475, 745, 807, 1059, 1345, 1425, 1765, 2235, 2831, 3725, 4035, 5111, 5295, 6707, 6725, 8493, 8825, 11175, 14155, 15333, 20121, 20175, 25555, 26475, 33535, 40081, 42465, 52597, 70775, 76665, 94957, 100605, 120243, 127775, 157791, 167675, 200405, 212325, 262985, 284871, 383325, 474785, 503025, 601215, 761539, 788955, 999343, 1002025, 1314925, 1424355, 1804183, 2284617, 2373925, 2998029, 3006075, 3807695, 3944775, 4996715, 5412549, 7121775, 9020915, 11423085, 14148593, 14990145, 19038475, 24983575, 27062745, 42445779, 45104575, 57115425, 70742965, 74950725, 135313725, 212228895, 268823267, 353714825, 806469801, 1061144475, 1344116335, 4032349005, 6720581675, 20161745025]

約数ペア:

[(1, 20161745025), (3, 6720581675), (5, 4032349005), (15, 1344116335), (19, 1061144475), (25, 806469801), (57, 353714825), (75, 268823267), (95, 212228895), (149, 135313725), (269, 74950725), (285, 70742965), (353, 57115425), (447, 45104575), (475, 42445779), (745, 27062745), (807, 24983575), (1059, 19038475), (1345, 14990145), (1425, 14148593), (1765, 11423085), (2235, 9020915), (2831, 7121775), (3725, 5412549), (4035, 4996715), (5111, 3944775), (5295, 3807695), (6707, 3006075), (6725, 2998029), (8493, 2373925), (8825, 2284617), (11175, 1804183), (14155, 1424355), (15333, 1314925), (20121, 1002025), (20175, 999343), (25555, 788955), (26475, 761539), (33535, 601215), (40081, 503025), (42465, 474785), (52597, 383325), (70775, 284871), (76665, 262985), (94957, 212325), (100605, 200405), (120243, 167675), (127775, 157791)]