20210883260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1913}}^1\times {\mathrm{9967}}^1$

素因数の和:11942

約数の個数: 48

約数和(自身を含む): 43270609536

約数和(自身を除く): 23059726276

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1913, 3826, 7652, 9565, 9967, 19130, 19934, 38260, 39868, 49835, 99670, 101389, 199340, 202778, 405556, 506945, 528251, 1013890, 1056502, 2027780, 2113004, 2641255, 5282510, 10565020, 19066871, 38133742, 76267484, 95334355, 190668710, 381337420, 1010544163, 2021088326, 4042176652, 5052720815, 10105441630, 20210883260]

約数ペア:

[(1, 20210883260), (2, 10105441630), (4, 5052720815), (5, 4042176652), (10, 2021088326), (20, 1010544163), (53, 381337420), (106, 190668710), (212, 95334355), (265, 76267484), (530, 38133742), (1060, 19066871), (1913, 10565020), (3826, 5282510), (7652, 2641255), (9565, 2113004), (9967, 2027780), (19130, 1056502), (19934, 1013890), (38260, 528251), (39868, 506945), (49835, 405556), (99670, 202778), (101389, 199340)]