20851902180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2825461}}^1$

素因数の和:2825517

約数の個数: 72

約数和(自身を含む): 64793494584

約数和(自身を除く): 43941592404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 2825461, 5650922, 8476383, 11301844, 14127305, 16952766, 25429149, 28254610, 33905532, 42381915, 50858298, 56509220, 84763830, 101716596, 115843901, 127145745, 169527660, 231687802, 254291490, 347531703, 463375604, 508582980, 579219505, 695063406, 1042595109, 1158439010, 1390126812, 1737658515, 2085190218, 2316878020, 3475317030, 4170380436, 5212975545, 6950634060, 10425951090, 20851902180]

約数ペア:

[(1, 20851902180), (2, 10425951090), (3, 6950634060), (4, 5212975545), (5, 4170380436), (6, 3475317030), (9, 2316878020), (10, 2085190218), (12, 1737658515), (15, 1390126812), (18, 1158439010), (20, 1042595109), (30, 695063406), (36, 579219505), (41, 508582980), (45, 463375604), (60, 347531703), (82, 254291490), (90, 231687802), (123, 169527660), (164, 127145745), (180, 115843901), (205, 101716596), (246, 84763830), (369, 56509220), (410, 50858298), (492, 42381915), (615, 33905532), (738, 28254610), (820, 25429149), (1230, 16952766), (1476, 14127305), (1845, 11301844), (2460, 8476383), (3690, 5650922), (7380, 2825461)]