20333820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 62092800

約数和(自身を除く): 41758980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 131, 156, 195, 199, 260, 262, 390, 393, 398, 524, 597, 655, 780, 786, 796, 995, 1194, 1310, 1572, 1703, 1965, 1990, 2388, 2587, 2620, 2985, 3406, 3930, 3980, 5109, 5174, 5970, 6812, 7761, 7860, 8515, 10218, 10348, 11940, 12935, 15522, 17030, 20436, 25545, 25870, 26069, 31044, 34060, 38805, 51090, 51740, 52138, 77610, 78207, 102180, 104276, 130345, 155220, 156414, 260690, 312828, 338897, 391035, 521380, 677794, 782070, 1016691, 1355588, 1564140, 1694485, 2033382, 3388970, 4066764, 5083455, 6777940, 10166910, 20333820]

約数ペア:

[(1, 20333820), (2, 10166910), (3, 6777940), (4, 5083455), (5, 4066764), (6, 3388970), (10, 2033382), (12, 1694485), (13, 1564140), (15, 1355588), (20, 1016691), (26, 782070), (30, 677794), (39, 521380), (52, 391035), (60, 338897), (65, 312828), (78, 260690), (130, 156414), (131, 155220), (156, 130345), (195, 104276), (199, 102180), (260, 78207), (262, 77610), (390, 52138), (393, 51740), (398, 51090), (524, 38805), (597, 34060), (655, 31044), (780, 26069), (786, 25870), (796, 25545), (995, 20436), (1194, 17030), (1310, 15522), (1572, 12935), (1703, 11940), (1965, 10348), (1990, 10218), (2388, 8515), (2587, 7860), (2620, 7761), (2985, 6812), (3406, 5970), (3930, 5174), (3980, 5109)]