20123768502

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{443}}^1\times {\mathrm{61553}}^1$

素因数の和:62045

約数の個数: 48

約数和(自身を含む): 44766500688

約数和(自身を除く): 24642732186

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 443, 738, 886, 1329, 2658, 3987, 7974, 18163, 36326, 54489, 61553, 108978, 123106, 163467, 184659, 326934, 369318, 553977, 1107954, 2523673, 5047346, 7571019, 15142038, 22713057, 27267979, 45426114, 54535958, 81803937, 163607874, 245411811, 490823622, 1117987139, 2235974278, 3353961417, 6707922834, 10061884251, 20123768502]

約数ペア:

[(1, 20123768502), (2, 10061884251), (3, 6707922834), (6, 3353961417), (9, 2235974278), (18, 1117987139), (41, 490823622), (82, 245411811), (123, 163607874), (246, 81803937), (369, 54535958), (443, 45426114), (738, 27267979), (886, 22713057), (1329, 15142038), (2658, 7571019), (3987, 5047346), (7974, 2523673), (18163, 1107954), (36326, 553977), (54489, 369318), (61553, 326934), (108978, 184659), (123106, 163467)]