20135052980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2713619}}^1$

素因数の和:2713688

約数の個数: 48

約数和(自身を含む): 49235921280

約数和(自身を除く): 29100868300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 2713619, 5427238, 10854476, 13568095, 18995333, 27136190, 37990666, 54272380, 75981332, 94976665, 143821807, 189953330, 287643614, 379906660, 575287228, 719109035, 1006752649, 1438218070, 2013505298, 2876436140, 4027010596, 5033763245, 10067526490, 20135052980]

約数ペア:

[(1, 20135052980), (2, 10067526490), (4, 5033763245), (5, 4027010596), (7, 2876436140), (10, 2013505298), (14, 1438218070), (20, 1006752649), (28, 719109035), (35, 575287228), (53, 379906660), (70, 287643614), (106, 189953330), (140, 143821807), (212, 94976665), (265, 75981332), (371, 54272380), (530, 37990666), (742, 27136190), (1060, 18995333), (1484, 13568095), (1855, 10854476), (3710, 5427238), (7420, 2713619)]