20197802300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{55291}}^1$

素因数の和:55599

約数の個数: 72

約数和(自身を含む): 47369541072

約数和(自身を除く): 27171738772

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 281, 325, 562, 650, 1124, 1300, 1405, 2810, 3653, 5620, 7025, 7306, 14050, 14612, 18265, 28100, 36530, 55291, 73060, 91325, 110582, 182650, 221164, 276455, 365300, 552910, 718783, 1105820, 1382275, 1437566, 2764550, 2875132, 3593915, 5529100, 7187830, 14375660, 15536771, 17969575, 31073542, 35939150, 62147084, 71878300, 77683855, 155367710, 201978023, 310735420, 388419275, 403956046, 776838550, 807912092, 1009890115, 1553677100, 2019780230, 4039560460, 5049450575, 10098901150, 20197802300]

約数ペア:

[(1, 20197802300), (2, 10098901150), (4, 5049450575), (5, 4039560460), (10, 2019780230), (13, 1553677100), (20, 1009890115), (25, 807912092), (26, 776838550), (50, 403956046), (52, 388419275), (65, 310735420), (100, 201978023), (130, 155367710), (260, 77683855), (281, 71878300), (325, 62147084), (562, 35939150), (650, 31073542), (1124, 17969575), (1300, 15536771), (1405, 14375660), (2810, 7187830), (3653, 5529100), (5620, 3593915), (7025, 2875132), (7306, 2764550), (14050, 1437566), (14612, 1382275), (18265, 1105820), (28100, 718783), (36530, 552910), (55291, 365300), (73060, 276455), (91325, 221164), (110582, 182650)]