20218463705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{577}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 27744221952

約数和(自身を除く): 7525758247

約数列:

[1, 5, 11, 37, 55, 67, 185, 257, 335, 407, 577, 737, 1285, 2035, 2479, 2827, 2885, 3685, 6347, 9509, 12395, 14135, 17219, 21349, 27269, 31735, 38659, 47545, 86095, 104599, 106745, 136345, 148289, 189409, 193295, 234839, 425249, 522995, 637103, 741445, 947045, 1174195, 1430383, 1631179, 2126245, 3185515, 5486693, 7008133, 7151915, 8155895, 9935363, 15734213, 27433465, 35040665, 49676815, 60353623, 78671065, 109288993, 301768115, 367608431, 546444965, 1838042155, 4043692741, 20218463705]

約数ペア:

[(1, 20218463705), (5, 4043692741), (11, 1838042155), (37, 546444965), (55, 367608431), (67, 301768115), (185, 109288993), (257, 78671065), (335, 60353623), (407, 49676815), (577, 35040665), (737, 27433465), (1285, 15734213), (2035, 9935363), (2479, 8155895), (2827, 7151915), (2885, 7008133), (3685, 5486693), (6347, 3185515), (9509, 2126245), (12395, 1631179), (14135, 1430383), (17219, 1174195), (21349, 947045), (27269, 741445), (31735, 637103), (38659, 522995), (47545, 425249), (86095, 234839), (104599, 193295), (106745, 189409), (136345, 148289)]