20127117930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3581}}^1\times {\mathrm{4357}}^1$

素因数の和:7991

約数の個数: 64

約数和(自身を含む): 49453607808

約数和(自身を除く): 29326489878

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 3581, 4357, 7162, 8714, 10743, 13071, 17905, 21486, 21785, 26142, 35810, 43570, 53715, 65355, 107430, 130710, 153983, 187351, 307966, 374702, 461949, 562053, 769915, 923898, 936755, 1124106, 1539830, 1873510, 2309745, 2810265, 4619490, 5620530, 15602417, 31204834, 46807251, 78012085, 93614502, 156024170, 234036255, 468072510, 670903931, 1341807862, 2012711793, 3354519655, 4025423586, 6709039310, 10063558965, 20127117930]

約数ペア:

[(1, 20127117930), (2, 10063558965), (3, 6709039310), (5, 4025423586), (6, 3354519655), (10, 2012711793), (15, 1341807862), (30, 670903931), (43, 468072510), (86, 234036255), (129, 156024170), (215, 93614502), (258, 78012085), (430, 46807251), (645, 31204834), (1290, 15602417), (3581, 5620530), (4357, 4619490), (7162, 2810265), (8714, 2309745), (10743, 1873510), (13071, 1539830), (17905, 1124106), (21486, 936755), (21785, 923898), (26142, 769915), (35810, 562053), (43570, 461949), (53715, 374702), (65355, 307966), (107430, 187351), (130710, 153983)]