20161949260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{7853}}^1$

素因数の和:8035

約数の個数: 96

約数和(自身を含む): 45220944384

約数和(自身を除く): 25058995124

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 101, 124, 155, 164, 202, 205, 310, 404, 410, 505, 620, 820, 1010, 1271, 2020, 2542, 3131, 4141, 5084, 6262, 6355, 7853, 8282, 12524, 12710, 15655, 15706, 16564, 20705, 25420, 31310, 31412, 39265, 41410, 62620, 78530, 82820, 128371, 157060, 243443, 256742, 321973, 486886, 513484, 641855, 643946, 793153, 973772, 1217215, 1283710, 1287892, 1586306, 1609865, 2434430, 2567420, 3172612, 3219730, 3965765, 4868860, 6439460, 7931530, 9981163, 15863060, 19962326, 24587743, 32519273, 39924652, 49175486, 49905815, 65038546, 98350972, 99811630, 122938715, 130077092, 162596365, 199623260, 245877430, 325192730, 491754860, 650385460, 1008097463, 2016194926, 4032389852, 5040487315, 10080974630, 20161949260]

約数ペア:

[(1, 20161949260), (2, 10080974630), (4, 5040487315), (5, 4032389852), (10, 2016194926), (20, 1008097463), (31, 650385460), (41, 491754860), (62, 325192730), (82, 245877430), (101, 199623260), (124, 162596365), (155, 130077092), (164, 122938715), (202, 99811630), (205, 98350972), (310, 65038546), (404, 49905815), (410, 49175486), (505, 39924652), (620, 32519273), (820, 24587743), (1010, 19962326), (1271, 15863060), (2020, 9981163), (2542, 7931530), (3131, 6439460), (4141, 4868860), (5084, 3965765), (6262, 3219730), (6355, 3172612), (7853, 2567420), (8282, 2434430), (12524, 1609865), (12710, 1586306), (15655, 1287892), (15706, 1283710), (16564, 1217215), (20705, 973772), (25420, 793153), (31310, 643946), (31412, 641855), (39265, 513484), (41410, 486886), (62620, 321973), (78530, 256742), (82820, 243443), (128371, 157060)]