20783125870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{43597}}^1$

素因数の和:43829

約数の個数: 64

約数和(自身を含む): 42628380480

約数和(自身を除く): 21845254610

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 193, 247, 386, 494, 965, 1235, 1930, 2470, 2509, 3667, 5018, 7334, 12545, 18335, 25090, 36670, 43597, 47671, 87194, 95342, 217985, 238355, 435970, 476710, 566761, 828343, 1133522, 1656686, 2833805, 4141715, 5667610, 8283430, 8414221, 10768459, 16828442, 21536918, 42071105, 53842295, 84142210, 107684590, 109384873, 159870199, 218769746, 319740398, 546924365, 799350995, 1093848730, 1598701990, 2078312587, 4156625174, 10391562935, 20783125870]

約数ペア:

[(1, 20783125870), (2, 10391562935), (5, 4156625174), (10, 2078312587), (13, 1598701990), (19, 1093848730), (26, 799350995), (38, 546924365), (65, 319740398), (95, 218769746), (130, 159870199), (190, 109384873), (193, 107684590), (247, 84142210), (386, 53842295), (494, 42071105), (965, 21536918), (1235, 16828442), (1930, 10768459), (2470, 8414221), (2509, 8283430), (3667, 5667610), (5018, 4141715), (7334, 2833805), (12545, 1656686), (18335, 1133522), (25090, 828343), (36670, 566761), (43597, 476710), (47671, 435970), (87194, 238355), (95342, 217985)]