20008274805

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127877}}^1$

素因数の和:127971

約数の個数: 64

約数和(自身を含む): 38056492800

約数和(自身を除く): 18048217995

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 61, 95, 135, 171, 183, 285, 305, 513, 549, 855, 915, 1159, 1647, 2565, 2745, 3477, 5795, 8235, 10431, 17385, 31293, 52155, 127877, 156465, 383631, 639385, 1150893, 1918155, 2429663, 3452679, 5754465, 7288989, 7800497, 12148315, 17263395, 21866967, 23401491, 36444945, 39002485, 65600901, 70204473, 109334835, 117007455, 148209443, 210613419, 328004505, 351022365, 444628329, 741047215, 1053067095, 1333884987, 2223141645, 4001654961, 6669424935, 20008274805]

約数ペア:

[(1, 20008274805), (3, 6669424935), (5, 4001654961), (9, 2223141645), (15, 1333884987), (19, 1053067095), (27, 741047215), (45, 444628329), (57, 351022365), (61, 328004505), (95, 210613419), (135, 148209443), (171, 117007455), (183, 109334835), (285, 70204473), (305, 65600901), (513, 39002485), (549, 36444945), (855, 23401491), (915, 21866967), (1159, 17263395), (1647, 12148315), (2565, 7800497), (2745, 7288989), (3477, 5754465), (5795, 3452679), (8235, 2429663), (10431, 1918155), (17385, 1150893), (31293, 639385), (52155, 383631), (127877, 156465)]