20145700796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{304813}}^1$

素因数の和:304902

約数の個数: 48

約数和(自身を含む): 40147661568

約数和(自身を除く): 20001960772

約数列:

[1, 2, 4, 13, 26, 31, 41, 52, 62, 82, 124, 164, 403, 533, 806, 1066, 1271, 1612, 2132, 2542, 5084, 16523, 33046, 66092, 304813, 609626, 1219252, 3962569, 7925138, 9449203, 12497333, 15850276, 18898406, 24994666, 37796812, 49989332, 122839639, 162465329, 245679278, 324930658, 387417323, 491358556, 649861316, 774834646, 1549669292, 5036425199, 10072850398, 20145700796]

約数ペア:

[(1, 20145700796), (2, 10072850398), (4, 5036425199), (13, 1549669292), (26, 774834646), (31, 649861316), (41, 491358556), (52, 387417323), (62, 324930658), (82, 245679278), (124, 162465329), (164, 122839639), (403, 49989332), (533, 37796812), (806, 24994666), (1066, 18898406), (1271, 15850276), (1612, 12497333), (2132, 9449203), (2542, 7925138), (5084, 3962569), (16523, 1219252), (33046, 609626), (66092, 304813)]