20408909703

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{859}}^1\times {\mathrm{3001}}^1$

素因数の和:3912

約数の個数: 64

約数和(自身を含む): 34698316800

約数和(自身を除く): 14289407097

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 859, 1131, 2577, 2639, 3001, 6013, 7917, 9003, 11167, 18039, 21007, 24911, 33501, 39013, 63021, 74733, 78169, 87029, 117039, 174377, 234507, 261087, 273091, 323843, 523131, 609203, 819273, 971529, 1131377, 1827609, 2266901, 2577859, 3394131, 6800703, 7733577, 7919639, 18045013, 23758917, 33512167, 54135039, 74757911, 100536501, 224273733, 234585169, 523305377, 703755507, 971852843, 1569916131, 2915558529, 6802969901, 20408909703]

約数ペア:

[(1, 20408909703), (3, 6802969901), (7, 2915558529), (13, 1569916131), (21, 971852843), (29, 703755507), (39, 523305377), (87, 234585169), (91, 224273733), (203, 100536501), (273, 74757911), (377, 54135039), (609, 33512167), (859, 23758917), (1131, 18045013), (2577, 7919639), (2639, 7733577), (3001, 6800703), (6013, 3394131), (7917, 2577859), (9003, 2266901), (11167, 1827609), (18039, 1131377), (21007, 971529), (24911, 819273), (33501, 609203), (39013, 523131), (63021, 323843), (74733, 273091), (78169, 261087), (87029, 234507), (117039, 174377)]