19925788030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{20921}}^1$

素因数の和:21093

約数の個数: 64

約数和(自身を含む): 38720094336

約数和(自身を除く): 18794306306

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 101, 115, 202, 205, 230, 410, 505, 943, 1010, 1886, 2323, 4141, 4646, 4715, 8282, 9430, 11615, 20705, 20921, 23230, 41410, 41842, 95243, 104605, 190486, 209210, 476215, 481183, 857761, 952430, 962366, 1715522, 2113021, 2405915, 4226042, 4288805, 4811830, 8577610, 10565105, 19728503, 21130210, 39457006, 48599483, 86633861, 97198966, 98642515, 173267722, 197285030, 242997415, 433169305, 485994830, 866338610, 1992578803, 3985157606, 9962894015, 19925788030]

約数ペア:

[(1, 19925788030), (2, 9962894015), (5, 3985157606), (10, 1992578803), (23, 866338610), (41, 485994830), (46, 433169305), (82, 242997415), (101, 197285030), (115, 173267722), (202, 98642515), (205, 97198966), (230, 86633861), (410, 48599483), (505, 39457006), (943, 21130210), (1010, 19728503), (1886, 10565105), (2323, 8577610), (4141, 4811830), (4646, 4288805), (4715, 4226042), (8282, 2405915), (9430, 2113021), (11615, 1715522), (20705, 962366), (20921, 952430), (23230, 857761), (41410, 481183), (41842, 476215), (95243, 209210), (104605, 190486)]