20161993745

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{883}}^1\times {\mathrm{3593}}^1$

素因数の和:4553

約数の個数: 32

約数和(自身を含む): 25620102144

約数和(自身を除く): 5458108399

約数列:

[1, 5, 31, 41, 155, 205, 883, 1271, 3593, 4415, 6355, 17965, 27373, 36203, 111383, 136865, 147313, 181015, 556915, 736565, 1122293, 3172619, 4566703, 5611465, 15863095, 22833515, 98351189, 130077379, 491755945, 650386895, 4032398749, 20161993745]

約数ペア:

[(1, 20161993745), (5, 4032398749), (31, 650386895), (41, 491755945), (155, 130077379), (205, 98351189), (883, 22833515), (1271, 15863095), (3593, 5611465), (4415, 4566703), (6355, 3172619), (17965, 1122293), (27373, 736565), (36203, 556915), (111383, 181015), (136865, 147313)]